package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
//菜品分类表现层
public class CategoryController {
    //加载Service类
    @Autowired
    private CategoryService categoryService;
    //新增分类
    @PostMapping
    public R<String> save(@RequestBody Category category){
        //打印新增的对象的日志
        log.info("category:{}",category);
        //新增
        categoryService.save(category);
        //成功后返回
        return R.success("新增分类成功");
    }
    //分页查询
    @GetMapping("/page")
    public R<Page> page(Integer page,Integer pageSize){
        //分页构造器
        Page<Category> PageInfo = new Page<>(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //添加排序的条件
        lqw.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(PageInfo,lqw);
        //成功返回
        return R.success(PageInfo);
    }
    //根据id删除
    @DeleteMapping
    public R<String> delete(Long id){
        //打印删除分类的日志
        log.info("删除分类，id为：{}",id);
        //删除
        categoryService.remove(id);
        //删除成功返回
        return R.success("分类信息删除成功");
    }
    //修改
    @PutMapping
    public R<String> update(@RequestBody Category category){
        //打印修改日志
        log.info("修改分类信息：{}",category);
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //创建条件构造器
        LambdaQueryWrapper<Category> categoryLambdaQueryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        categoryLambdaQueryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        categoryLambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        //查询
        List<Category> list = categoryService.list(categoryLambdaQueryWrapper);
        //返回集合
        return R.success(list);
    }
}
